Inside the Bathys Cesium 133 atomic clock watch replica is a microchip called a chip-scale atomic clock (CSAC) with a Cesium-133 atomic core. The CSAC chip regulates the watch’s Ronda 509 quartz movement. This Cesium core vibrates at a rate of precisely 9,192,631,770 vibrations per second. To put that in perspective, the standard quartz crystal oscillating […]
29APRIL